package jdbc;

import com.alibaba.druid.pool.DruidDataSource;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class DBUtil {
    private static DruidDataSource druidDataSource;
    static {
        druidDataSource =new DruidDataSource();
        druidDataSource.setUrl("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true");
        druidDataSource.setUsername("root");
        druidDataSource.setPassword("root");
        druidDataSource.setInitialSize(5);//初始链接数
        druidDataSource.setMaxActive(20);//最大链接数量设置为20，实际上最多也只有20
    }
    public static Connection getConnecting() throws SQLException {
      //  return DriverManager.getConnection();
        return druidDataSource.getConnection();
    }
}
